TY  - BOOK
AU  - KELLY, Mahlon G.
TI  - Biology: evolution and adaption to the environment
U1  - 574.5 K27B 
PY  - 1975///
PB  - Boston , U.S
KW  - ECOLOGY
KW  - BOTANY -- ECOLOGY
KW  - ZOOLOGY -- ECOLOGY
ER  -